Sarmiento vs. Employees' Compensation Commission

An illness not listed as an occupational disease under P.D. 626 is nevertheless compensable where substantial evidence shows that the risk of contracting it was increased by the employee's working conditions, requiring only a reasonable work-connection rather than a direct causal relation.

Martiniano Sarmiento was employed as a casual laborer with the Bureau of Agricultural Extension from January 5, 1976 until his retirement on June 30, 1980. His work required him to deal with different kinds of plants that had to be sprayed with insecticides and pesticides. Presidential Decree No. 626, as amended, governs claims for employees' compensation and defines compensable sickness as either an illness listed by the Commission as occupational or any illness caused by employment subject to proof that the risk of contracting the same is increased by working conditions.

Martiniano Sarmiento was a casual laborer of the Bureau of Agricultural Extension whose duties required him to deal with different kinds of plants that had to be sprayed with insecticides and pesticides. He held this position from January 5, 1976 until his retirement on June 30, 1980. In February 1983, as reflected in his medical records, his illness began as a fever accompanied by chest pain, cough, and watery nasal discharge. He consulted Dr. Segundo T. Rocha, a private physician at the Provincial Hospital of Bohol, who diagnosed his condition as acute follicular pharyngitis with hypertrophic rhinitis. Dr. Rocha recorded that the present condition had started three days prior to consultation as a sudden onset of cough accompanied by chest pain and feverish sensation, with cough that was hard in character and more pronounced in the early evening and morning. The physician also noted that the petitioner had been experiencing nasal stuffiness for almost fifteen years — an on-and-off condition associated with frontal headache.

On March 14, 1983, Sarmiento filed his claim for disability compensation with the Government Service Insurance System under Presidential Decree No. 626, as amended. The GSIS Medical Services Center described pharyngitis as an inflammation of the pharynx, most frequently viral in origin but possibly due to streptococci, pneumococci, or c. diptheria, often arising by extension of infection from the tonsils, adenoids, nose, or sinuses. Hypertrophic rhinitis was described as a chronic inflammatory process marked by thickening of the nasal mucosa and submucosa, causing enlargement of the turbinates. The GSIS report found no apparent connection between the two illnesses and the petitioner's employment as a laborer.

On April 6, 1983, GSIS Disability Benefits Department Manager Oscar B. Marcelino denied the claim on the ground that the ailments were not occupational. The petitioner elevated the matter to the Employees' Compensation Commission. On March 18, 1984, ECC Medical Officer Dr. Francisco A. Estacio found no proof establishing the compensability of the disease in relation to the claimant's occupation, nor any increased risk arising from working conditions, and recommended affirmance of the GSIS decision. On July 20, 1984, the ECC rendered its decision affirming the GSIS denial and dismissing the case, prompting the present petition.

• Increased Risk Theory: Petitioner posited his claim under the theory of "increased risk," arguing that a disease is compensable when the risk of contracting it is increased by the working conditions to which the employee is exposed, and that his constant exposure to plant dusts, pesticides, and fertilizers as a laborer in the Bureau of Agricultural Extension constituted such increased risk for his respiratory ailments.

• Compensability of Illness: Whether the petitioner's ailments of acute follicular pharyngitis with hypertrophic rhinitis are compensable under Presidential Decree No. 626, as amended, despite not being listed as occupational diseases.

• Compensability of Illness: Yes. The petitioner's ailments are compensable under the "increased risk" theory of P.D. 626, substantial evidence having established a reasonable work-connection between his constant exposure to plant dusts, pesticides, and fertilizers and the development of his respiratory diseases.

• Compensability of Illness: Presidential Decree No. 626, as amended, defines compensable sickness as any illness definitely accepted as an occupational disease listed by the Commission, or any illness caused by employment subject to proof that the risk of contracting the same is increased by working conditions. Neither follicular pharyngitis nor chronic hypertrophic rhinitis is listed by the ECC as an occupational disease. However, compensability may still be established under the "increased risk" theory, which requires the claimant to show proof of work-connection. The degree of proof required is merely substantial evidence — "such relevant evidence as a reasonable mind might accept as adequate to support a conclusion" — and strict rules of evidence are not applicable in claims for compensation. What the law requires is a reasonable work-connection, not a direct causal relation; probability, not certainty, is the touchstone. This interpretation gives meaning to the liberal and compassionate spirit of the Labor Code, particularly Article 4, which mandates that all doubts in the implementation and interpretation of the Code shall be resolved in favor of labor.

Applying these principles, the Court found that the very nature of the petitioner's ailments as respiratory diseases, viewed against his occupation where he was constantly exposed to plant dusts and chemicals such as pesticides and fertilizers — clearly respiratory irritants — substantiated his claim of work-connection and increased risk. This was not a case of an employee subjected to general pollution suffered in common with workers and non-workers alike; Sarmiento worked directly and regularly with pesticides and toxic materials as part of his employment. Medical literature cited by the Court established that chronic hypertrophic rhinitis results from prolonged irritation by atmospheric irritants, including occupational dusts, fumes, and insect sprays, which provoke episodes of rhinitis. The term "chronic," meaning long-term or long-standing, further confirmed work-connection, implying a gradual development of the ailment consistent with prolonged exposure rather than a single bout of infection. The Court found not only a reasonable work-connection but a direct causal relation between the employment and hypertrophic rhinitis. As for follicular pharyngitis, the general weakening of the petitioner's constitution and body resistance from his working conditions, coupled with chronic hypertrophic rhinitis, increased his susceptibility to infection, establishing a close and logical link between the pharyngitis and his working conditions as the main predisposing factor.

• Increased Risk Theory — Under P.D. 626, as amended, an illness not listed as an occupational disease may still be compensable if the employee proves by substantial evidence that the risk of contracting the disease is increased by working conditions. The claimant must show at least a reasonable work-connection, not a direct causal relation. Probability, not certainty, is the touchstone. Medical opinion to the contrary may be disregarded where there is some basis in the facts for inferring a work-connection. The Court applied this doctrine by finding that the petitioner's constant exposure to pesticides, insecticides, plant dusts, and fertilizers as a laborer constituted respiratory irritants that increased the risk of contracting chronic hypertrophic rhinitis and follicular pharyngitis.

• Substantial Evidence Standard in Compensation Claims — Strict rules of evidence are not applicable in claims for compensation. The degree of proof required under P.D. 626 is merely substantial evidence, defined as "such relevant evidence as a reasonable mind might accept as adequate to support a conclusion." The Court relied on this standard to uphold the petitioner's claim despite the absence of definitive medical proof of direct causation, finding that the combination of medical literature and the nature of the petitioner's working conditions furnished adequate support for compensability.

• Liberal Interpretation in Favor of Labor — Pursuant to Article 4 of the New Labor Code, all doubts in the implementation and interpretation of the provisions of the Code, including its implementing rules and regulations, shall be resolved in favor of labor. The Court invoked this principle to justify extending the applicability of P.D. 626 to a greater number of employees, in consonance with the State's avowed policy to give maximum aid and protection to labor.

• "What the law requires is a reasonable work-connection and not a direct causal relation." — This passage articulates the governing standard for compensability under the increased risk theory, lowering the claimant's burden from proving direct causation to establishing only a reasonable connection between the illness and the working conditions.

• "Probability not certainty is the touchstone." — This formulation captures the evidentiary threshold in employees' compensation cases, frequently cited in subsequent jurisprudence to emphasize that medical certainty is not required to establish compensability.

• "This is not the case of an employee subjected to general pollution suffered in common with workers and non-workers alike. Mr. Sarmiento worked directly and regularly with pesticides and toxic materials as part of his employment." — The Court here distinguishes between general environmental exposure shared by the public at large and direct, regular occupational exposure to toxic substances, the latter being sufficient to establish increased risk under P.D. 626.

• Cristobal vs. Employees' Compensation Commission, 103 SCRA 329 — Cited as controlling authority for the propositions that compensability under the increased risk theory requires proof of work-connection, that substantial evidence is the required degree of proof, and that the liberal spirit of the Labor Code mandates resolving doubts in favor of labor.

• Acosta vs. Employees' Compensation Commission, 109 SCRA 209 — Followed for the substantial evidence standard and the policy of extending the applicability of the decree to a greater number of employees in consonance with the State's policy of maximum aid and protection to labor.

• San Valentin vs. Employees' Compensation Commission, 118 SCRA 160 — Cited for the rule that strict rules of evidence are not applicable in claims for compensation and that probability, not certainty, is the touchstone.

• Ang Tibay vs. Court of Industrial Relations and National Labor Union, Inc., 69 Phil. 635 — Cited as the source of the definition of substantial evidence adopted in employees' compensation jurisprudence.

• De Vera vs. Employees' Compensation Commission, 133 SCRA 685 — Followed for the principle that the law requires a reasonable work-connection rather than a direct causal relation.

• Section 1, Presidential Decree No. 626 (amending Article 165, Labor Code of the Philippines) — Defines compensable sickness as "any illness definitely accepted as an occupational disease listed by the Commission, or any illness caused by employment subject to proof by the employee that the risk of contracting the same is increased by the working conditions." Applied to determine that although the petitioner's ailments were not listed occupational diseases, compensability could be established under the increased risk theory.

• Article 4, New Labor Code — States that "all doubts in the implementation and interpretation of the provisions of this Code including its implementing rules and regulations shall be resolved in favor of labor." Invoked to support the liberal and compassionate interpretation of P.D. 626 in favor of the petitioner.

Feria (Chairman), Fernan, Alampay, and Paras, JJ., concurred.