Title
Santos vs. Employees' Compensation Commission
Case
G.R. No. 89222
Decision Date
Apr 7, 1993
A welder’s 32-year exposure to hazardous conditions led to liver cirrhosis, deemed compensable by the Supreme Court under labor laws, granting death benefits to his widow.
liver cirrhosis
welder
compensable sickness
A

Case Summary (G.R. No. 22948)

Factual Background

Francisco Santos’s medical record showed that, at admission, he was diagnosed with bleeding Peptic Ulcer disease, cholelithiasis, and diabetes mellitus, but his Death Certificate later specified liver cirrhosis as the cause of death. On January 28, 1987, Carmen Santos filed a claim for death benefits under P.D. 626, as amended. The GSIS, through a letter dated April 30, 1987, denied the claim. It reasoned that, based on the proofs and evidence submitted, Francisco’s illness did not constitute an occupational disease as contemplated under P.D. 626, as amended.

Carmen Santos then sought assistance from the Commander of NASCOM, PN, who wrote the GSIS requesting favorable action. The letter described Francisco’s assigned work as a Senior Welder at the Structural Branch of the Naval Shipbuilding Facility, including welding tasks inside compartments of naval vessels—such as compartmentation bulkheads, CIC rooms, officers’ and PO’s quarters, and fuel, lube oil, and fresh water tanks. It asserted that the work required exposure to heat and the inhalation of burning chemical substances and gas fumes generated by burning welding electrodes.

Even with this endorsement, the GSIS denied her motion for reconsideration. It maintained that Francisco’s job as a welder would instead cause a lung disease, not liver cirrhosis. On appeal, the ECC affirmed the GSIS denial. It relied on the fact that the diagnosis did not specify the particular type of cirrhosis that caused Francisco’s death. The ECC nonetheless noted that the deceased employee had no previous history of alcoholism, hepatitis, or prior biliary conditions that could have clarified the nature of his cirrhosis.

The Legal Issue

The petition squarely presented the question of whether liver cirrhosis could be treated as a compensable illness under P.D. 626, as amended—either as an occupational disease listed in the governing rules, or as an illness whose risk of contracting was increased by the deceased employee’s working conditions.

The Parties’ Contentions

Carmen Santos argued, in substance, that Francisco’s decades of welding work exposed him to hazardous industrial conditions—particularly heat, fumes, and chemical substances emitted from burning welding electrodes, and that his tasks were performed in enclosed compartments of naval vessels and tanks. She maintained that these working conditions likely increased the risk of contracting liver cirrhosis, even if liver cirrhosis was not expressly identified as a listed occupational disease.

The GSIS and the ECC, while accepting that Francisco was a welder, denied compensability. They anchored their rejection on the absence of an occupational-disease listing that fit the diagnosis and on the alleged insufficiency of the medical description, particularly the lack of specificity regarding the type of cirrhosis. The GSIS also advanced the position that welding exposure would more plausibly result in lung disease.

Ruling of the Supreme Court

The Supreme Court granted the petition and reversed the ECC decision. The Court held that liver cirrhosis, although not listed as an occupational disease, was nevertheless compensable on the basis of evidence indicating that the deceased employee’s working conditions exposed him to hazards that could reasonably be connected to the disease.

Legal Basis and Reasoning

The Court began with the statutory framework governing compensable sickness. It reiterated that the law defines compensable sickness as any illness definitely accepted as occupational disease listed by the Commission, or any illness caused by employment subject to proof that the risk of contracting the same was increased by working conditions. For sickness and the resulting death to be compensable, the claimant must show either: (one) that the illness resulted from an occupational disease listed under Annex A of the Amended Rules on Employees’ Compensation with the conditions therein satisfied; or (two) if the illness was not listed, that the risk of contracting the disease was increased by the working conditions. The Court emphasized that when the illness is not listed under Annex A, the claimant must positively prove that the risk is increased by employment.

Applying that framework, the Court recognized that cirrhosis of the liver was not listed as an occupational disease. Yet, it stressed that the Court had previously adopted a liberal approach in similar circumstances. In Librea v. Employees Compensation Commission, the Court had granted benefits to the heirs of a deceased public employee who died of liver cirrhosis, after the ECC had denied the claim for being too speculative. The Supreme Court in Librea had relied on medical and evidentiary considerations to link the disease to conditions surrounding the deceased’s work, including the effects of malnutrition and the chronic bodily deterioration connected with the job.

In the present case, the ECC had itself discussed that liver cirrhosis may be classified into several etiologic and morphologic categories, including alcoholic cirrhosis, post-necrotic cirrhosis, biliary cirrhosis, cardiac cirrhosis, and other metabolic or drug-related forms. The Supreme Court stated that it would not pretend to be an expert in medicine, but it could not disregard the possibility that the cause of death was related to the deceased’s working conditions. It noted that even the ECC volunteered a theory consistent with toxin-related injury: post-necrotic cirrhosis may reflect advanced liver injury, and one cause of such injury could be toxins.

The Court then anchored its conclusion on the welding work described in the records. As a welder, Francisco was exposed to heat, gas fumes, and chemical substances generated by burning welding electrodes. The Court explained that in welding, metals burned are generally iron, and that vaporized metals and compounds such as carbon monoxide, carbon dioxide, sulfur, and phosphorus may be emitted depending on the material and corrosion. It reasoned that these vapors were inhaled by the welder, and that in Francisco’s case welding was performed in enclosed compartments, which increased exposure. The Court further cited medical research to support the proposition that long-term inhalation or ingestion of small amounts of iron may lead to siderosis, and that acute poisoning could cause liver failure within a short period. From these facts and this framework, the Court concluded that industrial hazards were present and that, over the course of thirty-two years, repeated exposure to burned electrodes and emitted chemicals would likely result in poisoning and liver malfunction.

The Court then discussed controlling doctrine on compensability. It invoked Raro v. Employees Compensation Commission, clarifying that while there had once been misconceptions and favorable presumptions toward workers under the former regime of compensation, those presumptions were not to be used to require the employer or agency to prove that a disease was not caused by employment. The Court noted that under the New Labor Code, the presumption of compensability for illness contracted during employment had been abolished, and claimants therefore must present evidence to show the ailment resulted from work or that the risk was aggravated by working conditions. Nevertheless, the Court stressed that the liberalit

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